trench sheeting trench sheets accessories piling guides trench lining systems introduction backhoe box manhole backhoe box ks60 trenchbox ks100 trenchbox manhole box ks300 trenchbox dragbox edge protection groundwork equipment hydraulic walers manhole brace shaftbrace tankbrace multibrace super shaftbrace 20m brace 'K' brace extensions bracing struts formwork/falsework system 160 soldier MkII soldier light panel formwork parapet support system scaffold refurbishment propping needling façade retention heavy propping other equipment manhole shutters manhole lifting pins air test stoppers EMV pipe laser culvert puller trench struts adjustable props roadforms ladders skips and trays fencing road/walkway plates trench crossing units dura-BASE mats about us who we are the mabey group depots & works career opportunities service & support get in touch customer portal login products trench sheeting trench lining systems groundwork equipment formwork/falsework refurbishment other equipment ethics policy code of ethics      20m brace 20m Brace is a development which extends the range of Super Shaftbrace up to 21m long excavations Primarily designed to provide clear excavations without the need for internal or overhead intermediate bracing struts for the installation of long underground tanks Connects with Super Shaftbrace legs across the ends Adjusts from 13m to 21m sheet to sheet (11.9m to 19.9m clear internal) Weight of one leg = 7950kg